421011103103102 has 64 divisors (see below), whose sum is σ = 659993003622720. Its totient is φ = 201235302319104.

The previous prime is 421011103103069. The next prime is 421011103103141. The reversal of 421011103103102 is 201301301110124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19781556953 + ... + 19781578235.

It is an arithmetic number, because the mean of its divisors is an integer number (10312390681605).

Almost surely, 2^{421011103103102} is an apocalyptic number.

421011103103102 is a deficient number, since it is larger than the sum of its proper divisors (238981900519618).

421011103103102 is a wasteful number, since it uses less digits than its factorization.

421011103103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35277.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 421011103103102 its reverse (201301301110124), we get a palindrome (622312404213226).

The spelling of 421011103103102 in words is "four hundred twenty-one trillion, eleven billion, one hundred three million, one hundred three thousand, one hundred two".